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26 results on '"Zhong, W.H."'

13. Crystal structure and catalytic mechanism of the essential m1G37 tRNA methyltransferase TrmD from Pseudomonas aeruginosa

Author

Jaroensuk, J., primary, Liew, C.W., additional, Atichartpongkul, S., additional, Chionh, Y.H., additional, Wong, Y.H., additional, Zhong, W.H., additional, McBee, M.E., additional, Thongdee, N., additional, Prestwich, E.G., additional, DeMott, M.S., additional, Mongkolsuk, S., additional, Dedon, P.C., additional, Lescar, J., additional, and Fuangthong, M., additional

Published
2019
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14. Crystal structure and catalytic mechanism of the essential m1G37 tRNA methyltransferase TrmD from Pseudomonas aeruginosa

Author

Jaroensuk, J., primary, Liew, C.W., additional, Atichartpongkul, S., additional, Chionh, Y.H., additional, Wong, Y.H., additional, Zhong, W.H., additional, McBee, M.E., additional, Thongdee, N., additional, Prestwich, E.G., additional, DeMott, M.S., additional, Mongkolsuk, S., additional, Dedon, P.C., additional, Lescar, J., additional, and Fuangthong, M., additional

Published
2017
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15. Coordination imperfection suppressed phase stability of ferromagnetic, ferroelectric, and superconductive nanosolids

Author

Sun, Chang Q., Li, S., Zhong, W.H., Tay, B.K., Bai, H.L., and iang, E.Y.

Subjects
Nanotechnology -- Research, Ferroelectric crystals -- Research, Ferromagnetic materials -- Research, Chemicals, plastics and rubber industries
Abstract

A model attempting to unify the T(sub c) suppression of ferromagnetic, ferroelectric, and superconductive nanosolids is developed. Comparing the previous sophisticated model exercises, we considered the effect of atomic CN imperfection and its consequence on the atomic cohesive/exchange energy that determines the thermal stability of the nanosolids.

Published
2004

25. Structural and magnetic properties of iron-nitride thin films deposited using a filtered cathodic vacuum arc

Author

Zhong, W.H., Tay, B.K., Lau, S.P., Sun, X.W., Li, S., and Sun, C.Q.

Subjects
*SOLID state electronics, *MAGNETIC properties, *MAGNETISM, *THIN films
Abstract

Abstract: A filtered cathodic vacuum arc technique has been applied to synthesis iron-nitride thin films on silicon (100) substrate. Two approaches were carried out to introduce the nitrogen gas into the chamber to control the nitrogen content. Films with smooth surface containing α-Fe(N), α′-Fe(N), αʺ-Fe16N2, γ′-Fe4N, ζ-Fe2N, ɛ-Fe3N and γʺ-FeN phases have been obtained, respectively. The magnetic properties of the films show that small amount of nitrogen addition into the iron films increases the saturation magnetization, while excess nitrogen decreases the saturation magnetization. It is explained based on the bond-band-barrier correlation mechanism [C.Q. Sun, Prog. Mater. Sci. 48 (2003) 521] that the electronegative nitrogen changes the valence states of iron into Fe+ or Fe dipoles with higher magnetic momentum compared with an neutral Fe atom in the bulk. [Copyright &y& Elsevier]

Published
2005
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26. An Efficient Meshless Formulation for Thick Plate Analysis

Author

Sorić, Jurica, Li, Quizhan, Jarak, Tomislav, Atluri, Satya N., Yao, Z.H., Yuan, M.W., and Zhong, W.H.

Subjects
meshless formulation, thick plates, 3D-solid concept, moving least squares approximation
Abstract

An efficient meshless formulation based on the Local Petrov-Galerkin approach for the analysis of shear deformable thick plates is presented. Using the kinematics of a three-dimensional continuum, the local symmetric weak form of the equilibrium equations over the cylindrical shaped local sub-domain is derived. The linear test function in the plate thickness direction is assumed. Discretization in the in-plane directions is performed by means of the moving least squares approximation. The linear interpolation over the thickness is used for the in-plane displacement, while the hierarchical quadratic interpolation is adopted for the transversal displacement in order to avoid the thickness locking effect. The numerical efficiency of the proposed meshless formulation is illustrated by the numerical examples.

Published
2004

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